Peak Hold (Dual Pointer) Pressure Gauge

PHPG series

PEAK HOLD (Dual pointer) PRESSURE GAUGE

PH-APG series

*Product Overview

The peak hold (dual pointer) pressure gauge has a second pointer that will measure pressure spikes. The pointer must be manually reset. If the normal system operating pressure is 60 psi and a pressure spike of 180 psi occurs, the second pointer (red)
will stay at 180 and the 1st pointer (black) will drop to 60 psi.

With a standard pressure gauge you would not know if a spike occurred unless it happened if you observed the gauge. Since gauges are not monitored, most pressure spikes going unrecorded. Broken pipes, valves fittings & blown gaskets are the
results of over pressurization.

*SPECIFICATIONS

Dial Diameter：2.5" (63mm)；3" (75mm)；4" (100mm)；6" (150mm)

Case：Stainless steel 304, IP65
Steel with black enamel,IP45

Lens：Acrylic, available with adjustment knob

Measuring Principle：Bourdon tube, stainless steel 316 or brass

Pointer：Aluminum, black ; Max. pointer：Aluminum, red (adjustable)

Connection：Male thread 1/4", 3/8", 1/2" PT(BSPT) / NPT / PF(BSP)
Material－SUS316 or Brass

Filling：Without (dry)；glycerin filled；silicon oil filled

Accuracy：±1.6% F.S.

Temperature Limits：
Dry－medium +100℃；ambient -20 to +60℃
Glycerin filled－medium +60℃；ambient +10 to +60℃
Silicon oil filled－medium +100℃；ambient -45 to +60℃
(Silicon oil filled type can be for medium +200℃ only if the case and connection
are welded together (argon-arc welding), available for Φ2½" & 4" & 6".)

Ranges：
Positive 0 / 1 ~ 0 / 1000 kg/cm2
Negative 0 / -76 cmHg (relative vacuum)
Compound -76cmHg / 0 / 1 ~ -76cmHg / 0 / 20 kg/cm2
(other units are available, e.g. psi, bar, MPa…etc.)

*OPTIONS
‧ Special male or female thread connections
‧ Cleanness for oxygen, acetylene, hydrogen…etc. dangerous media service
‧ Restrictor on connection to alleviate pressure pulsation
‧ Device of red pointer which can leave behind on max. pressure
‧ Device of diaphragm, electrical contacts or accessories

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